# Natural History of Dependency in the Elderly: A 24-Year Population-Based Study Using a Longitudinal Item Response Theory Model

> Research article (American Journal of Epidemiology, 2016) · cited 78× · AI/ML

**Wikidata**: [openalex:W2294114925](https://www.wikidata.org/wiki/openalex:W2294114925)  
**Source**: https://4ort.xyz/entity/natural-history-of-dependency-in-the-elderly-a-24-year-population-based-study-using-a-longitudinal-item-response-theory-